from zope.interface import implements
from zope.app.container.interfaces import IContainer
from zope.app.container.constraints import contains
from zope.app.container.btree import BTreeContainer
from ovni.interfaces import IContatoImediato

class IPastaContato(IContainer):
    contains('ovni.interfaces.IContatoImediato')

class PastaContato(BTreeContainer):
    implements(IPastaContato)

